<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>
<script type="text/javascript">
	var yhuso = 'bj';
	(function hehe(win){
		var c = win.__ = {};
		c.age = 1;
		var z = 1;
	})(this);
	alert(__.age+',yhuso='+window['yhuso']);
</script>
</body>
</html>